Presentation 2000/10/17
Design of Variable 2-D Recursive Digital Filters with Guaranteed Stability
Tian-Bo Deng,
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Abstract(in English) Stability guarantee is the most important issue in designing variable recursive digital filters since unstable variable filters cannot be applied in signal processing applications. This paper proposes a technique for designing separable-denominator variable two-dimensional(2-D)digital filters having variable magnitude characteristics, and the stability of the designed variable recursive 2-D filters is always guaranteed. To guarantee the stability, we first perform coefficient transformations on the denominator coefficients of the recursive transfer function such that the stability conditions of the recursive filter are always satisfied for arbitrary values of the new coefficients. Then both the denominator and numerator coefficients are determined as multidimensional polynomials of the spectral parameters.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) variable recursive 2-D filter / stability / variable magnitude response / spectral parameter
Paper # DSP2000-128, ICD2000-121, IE2000-73
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Committee IE
Conference Date 2000/10/17(1days)
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Registration To Image Engineering (IE)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Design of Variable 2-D Recursive Digital Filters with Guaranteed Stability
Sub Title (in English)
Keyword(1) variable recursive 2-D filter
Keyword(2) stability
Keyword(3) variable magnitude response
Keyword(4) spectral parameter
1st Author's Name Tian-Bo Deng
1st Author's Affiliation Department of Information Science Faculty of Science, Toho University()
Date 2000/10/17
Paper # DSP2000-128, ICD2000-121, IE2000-73
Volume (vol) vol.100
Number (no) 389
Page pp.pp.-
#Pages 8
Date of Issue